Update sas flake

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

flake.lock

@@ -235,11 +235,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755449842,
-        "narHash": "sha256-u9V4hAryxP626EQlkwrAesyKbFssX7ovGp2wcW5y528=",
+        "lastModified": 1755506074,
+        "narHash": "sha256-SztuKbAPppW5grMJLSGO5rBCXEWCOfhb39cPDONEUfo=",
         "ref": "refs/heads/main",
-        "rev": "10930e85d60f2eba7509d1f3ab2e54e6a5c0698a",
-        "revCount": 5,
+        "rev": "ac85b6f608ed88d424621ec30f3848d621383487",
+        "revCount": 6,
         "type": "git",
         "url": "https://git.karaolidis.com/karaolidis/nix-lib.git"
       },
@@ -423,11 +423,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755453501,
-        "narHash": "sha256-kdcefjI7uX/B8z0A2ZQ7yH0FHKJxJP0GS5A5XdWU5M8=",
+        "lastModified": 1755506147,
+        "narHash": "sha256-B4e60+9j1cMEhAjpvgcNSSJbzPe2CUpAo2av15xd/0M=",
         "ref": "refs/heads/main",
-        "rev": "2c6c3f6761dde7ec19ae1a1432fd7b83a97ac911",
-        "revCount": 9,
+        "rev": "ebe2f986fc82df849d879f5b0af403c78ead2002",
+        "revCount": 10,
         "type": "git",
         "url": "ssh://git@karaolidis.com/karaolidis/nix-sas.git"
       },

hosts/elara/configs/nix/default.nix

@@ -0,0 +1,4 @@
+{ inputs, ... }:
+{
+  nix.registry.sas.flake = inputs.sas;
+}

hosts/elara/default.nix

@@ -57,6 +57,7 @@
     ../common/configs/system/zsh
 
     ./configs/globalprotect
+    ./configs/nix
     ./configs/pki
     ./configs/ssh